* add static facility and apply to register
* added warning
* added test for templated register
* test register 'static' status
* rely on subshell to deal with quote context
* use corrects pb for test
* bring constants back cause new code in devel
* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.
